added docker file

Dockerfile

@@ -0,0 +1,18 @@
+FROM python:3.9
+
+RUN useradd -m -u 1000 user
+USER user
+ENV PATH="/home/user/.local/bin:$PATH"
+
+WORKDIR /app
+
+COPY --chown=user ./requirements.txt requirements.txt
+RUN pip install --no-cache-dir --upgrade -r requirements.txt
+
+COPY --chown=user . /app
+
+# Expose the port Streamlit runs on (default 8501)
+EXPOSE 8501
+
+# Run Streamlit app
+CMD ["streamlit", "run", "src/frontend/app.py", "--server.port=8501", "--server.address=0.0.0.0"]